Our planet doesn't seem to be the result of anything very special

You know, there was a time, just before I started to study physical science, when astronomers thought that systems such as we have here in the solar system required a rare triple collision of stars

Sustainability is living on nature's income rather than living on its capital.

Everything that is not forbidden is compulsory.

I am frequently astonished that it so often results in correct predictions of experimental results.

Bush is a nice fellow who gives very good parties. I just wish someone would find him a better job than running the country.

The mathematics clearly called for a set of underlying elementary objects-at that time we needed three types of them-elementary objects that could be combined three at a time in different ways to make all the heavy particles we knew. ... I needed a name for them and called them quarks, after the taunting cry of the gulls, "Three quarks for Muster mark," from Finnegan's Wake by the Irish writer James Joyce.